General C++ Programming - C++ Forum - September 2012 (Page 2)

by Sreelakshmi

Pre and post increment

void main() { int a=1; printf("%d %d %d",a,++a,a++); } How come the output is 3 3 1.Sho...

[6 replies] Last: It means that literally anything at all can happen. http://www.catb... (by helios)

by chikaibeneme

I need help with the calculation part of this program urgently i am new to c++

#include <iostream> #include<string> using namespace std; int main() { //variables// strin...

[1 reply] : Hi ! Use code tags please. I notice that this early: if(Gender == "m... (by soranz)

by twicey

program using array need to find the position of the number

please take a look at my current work. thanks #include <iostream> using namespace std; int ma...

[3 replies] Last: //from line 16 cin >> innum; for(int i=0; i<n; i++) { if(a == inn... (by soranz)

by sgthale

Adding too many includes

I have many individual classes for components. Some are Buttons some are Windows and so on. Each cla...

[3 replies] Last: It's difficult to say. Design decisions are never "once size fits all... (by Disch)

by freedmo

Template chrono problem

I have the following problem. I attempt a timer using "chrono" attribute-based templates. The pro...

[3 replies] Last: Yes, that works too, but it's not too different from just moving the d... (by helios)

by MirzaAdrian

Help with libmysql

I'm trying to connect to my database using the following code: #include <iostream> #include <...

[no replies]

by Poethetortoise

Regex

I was a little confused about the regex explanation on this site. What syntax do I have to use to do...

[1 reply] : As far as I know the syntax used by std::regex and boost::regex are id... (by R0mai)

by talya7

Command with parameters

How to fix my program using C not C++ #include <stdio.h> #include <string.h> void func_co...

[2 replies] Last: Thank you. I am trying to output the command, the number of parameters... (by talya7)

by Angeljruiz

Iterator loops forever ?

[11 replies] Last: Ah yes. The push_back must've invalidated the iterator. You'll proba... (by cire)

by hooshdar3

error

Hi.Here's my code: char s ="76111"; while(*s) cout << s-- ; Why do I...

[7 replies] Last: I guess I found the problem.It wasprobably modifying the constant poin... (by hooshdar3)

by Zephilinox

Swapping two pairs in a map with a unique_ptr

I'm having some trouble with this, I have a map of <string, unique_ptr> and an iterator pointing to ...

[4 replies] Last: I was trying to implement a state machine for SFML, I did actually get... (by Zephilinox)

by johnhuge

while loop with array condition

I have this array and i am asking the user to enter a string that is in array, but if the user does...

[3 replies] Last: THANKS I got it to work (by johnhuge)

by MirzaAdrian

Help with Array

I'm trying to build a population for my Genetic Algorithm Project using an array. The number of the ...

[4 replies] Last: Okey dokey!! Thanks everyone! (by MirzaAdrian)

by Matthew Shoppas

Dynamic Arrays and DAM

Hey I need a way to check if a Dynamic Array is full. I am writing a check program for class saying ...

[5 replies] Last: In that case, never mind. Just stick to the manual size check whenever... (by JellyFox)

by cire

Are pointers the best way?

So, somehow I ended up watching a video animation of a sort working on youtube, and I thought it mig...

[2 replies] Last: Thanks for the input. I was half-thinking the source could serve as a... (by cire)

by biLmLik

adding salaries from file

i want tO add the salaries from a fiLe tO the prOgramme aLL the cOde is compiLing but the problem is...

[1 reply] : Is your lower-case 'o' key broken? Anyway, have you tried using the '>... (by JellyFox)

by Rowan836

How often should a server update

In most professional games how often do servers update (not as in patches but other player positions...

[no replies]

by headshot

How to convert IP to hex using C++ (1,2)

Hi guy . I don`t known how to convert IP to hex . In this link http://www.mustat.com/50.22.100.250...

[22 replies] Last: In this case both structures allocated the same amount of memory (4 by... (by JAL)

by Ashley Macdonald

Adding 2 variables

I know how to add 2 variables and cout it in a third variable, but how can i make one variable add i...

[2 replies] Last: yuppers, just like peter87 stated. (by Reaper1)

by purpleblue

Question about if statement

Hi, I wrote the following code int a; cin >> a; if(a== 2) { // btw do I need to single quote '2' ...

[2 replies] Last: you could try to assign a as 0 when your declaring the variable int ... (by Steven Menzies)

General C++ Programming - September 2012 (Page 2)

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